CN201393337Y - Electrodeless lamp ballast circuit with intelligent control interface - Google Patents
Electrodeless lamp ballast circuit with intelligent control interface Download PDFInfo
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- CN201393337Y CN201393337Y CN200820215748U CN200820215748U CN201393337Y CN 201393337 Y CN201393337 Y CN 201393337Y CN 200820215748 U CN200820215748 U CN 200820215748U CN 200820215748 U CN200820215748 U CN 200820215748U CN 201393337 Y CN201393337 Y CN 201393337Y
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
The utility model relates to an electrodeless lamp ballast circuit with an intelligent control interface, which comprises a filter rectifying circuit, a power factor correction circuit, a semi-bridge driving circuit, a power output circuit and an output sampling circuit. The electrodeless lamp ballast circuit with the intelligent control interface is characterized by also comprising an intelligent control interface circuit which is connected with output ends of the semi-bridge driving circuit and the output sampling circuit; and the change of the connection state between DI plus and DI minus of output ends of the intelligent control interface circuit is realized by changing the voltage state of the output end VSMP of the output sampling circuit, and the change of the voltage state of the semi-bridge driving circuit is realized by changing the voltage state between the DI plus and the DI minus of output ends of the intelligent control interface circuit. The utility model provides the electrodeless lamp ballast circuit with the intelligent control interface, which can be managed and monitored in an intelligent and networked mode.
Description
Technical field
The utility model relates to a kind of ballast.Especially a kind of ballast that is used for electromagnetic induction electrodeless lamp.
Background technology
Electromagnetic induction electrodeless lamp is high light efficiency, long-life electricity-saving lamp of new generation.
Electromagnetic induction electrodeless lamp has been owing to broken through traditional incandescent lamp, the mode of operation of gaseous discharge lamp, and it does not need the discharge working method of electrode to make traditional glow discharge spot lamp because the electrode sputter causes that fluorescent tube turns black or electrode emission material exhausts problems such as causing the lamp tube service life termination and is avoided and overcomes.Characteristics such as its high light efficiency, long-life, high-color rendering, light are stable make it become one of ideal green lighting source.
Electromagnetic induction electrodeless lamp is combined by electric ballast, power coupling coil, electrodeless fluorescent fluorescent tube.Its fluorescent tube is a vacuum discharge cavity, form continuous closure discharge loop, discharge cavity is by winding the central axis with the annular ferrite core of power coupling coil, and the high-frequency electromagnetic energy that electric ballast produces is coupled in the plasma of discharge by the power coupling coil.Power coupling coil and discharging chamber can be considered as the primary and secondary of a transformer, produce the magnetic flux of alternation by the electric current of coil, and then keep luminescence of plasma along discharge cavity generation induction field again.
The special working method of electromagnetic induction electrodeless lamp has proposed special requirement to ballast, how to guarantee electromagnetic induction electrodeless lamp safety, reliable, controlled, stably work, be that the electroless lamp ballasting device is designed and developed the problem that emphasis will solve.
Existing technology ubiquity following problem:
(1) do not have the Based Intelligent Control interface, can only control, be inconvenient to carry out the management and the monitoring of intellectuality, networking by segment, connection to power supply.
(2) open circuit does not start protection, does not connect at fluorescent tube under the state of ballast, and ballast powers on and is easy to cause the damage of ballast self;
(3) broken lamp starts protection, breaks and can't start the time, ballast powers on and is easy to cause the damage of ballast self at fluorescent tube;
Summary of the invention
The purpose of this utility model is to provide a kind of electroless lamp ballasting circuit that the Based Intelligent Control interface is arranged, and makes it can be through row intelligent, networked management and monitoring.
The utility model is to realize above-mentioned purpose like this:
A kind of electroless lamp ballasting circuit with Based Intelligent Control interface, comprise filter rectifier, circuit of power factor correction, half-bridge drive circuit, power output circuit, output sample circuit, it is characterized in that described electroless lamp ballasting circuit with Based Intelligent Control interface also comprises intelligent control interface circuit, intelligent control interface circuit is connected with the output of half-bridge drive circuit, output sample circuit; The change of connection status is to realize by the output VSMP voltage status that changes the output sample circuit between intelligent control interface circuit output DO+ and the DO-, and voltage status realizes between intelligent control interface circuit input DI+ and the DI-by changing in the change of half-bridge drive circuit voltage status.
As first kind of preferred version of the present utility model, in the described intelligent control interface circuit output VSMP that connects the output sample circuit with the input of photoelectrical coupler IC3, ground connection behind another input series resistance R17, export termination DO+ and DO-for two, DI+ connects diode D18 negative electrode, and DI-connects direct current ground.
As second kind of preferred version of the present utility model, in the described intelligent control interface circuit output VSMP that connects the output sample circuit with three base stages of taking over Q7, three collector and emitters of taking over Q7 meet DO+ and DO-respectively; DI+ and DI-connect three base stages of taking over, and collector electrode links to each other with half-bridge drive circuit, grounded emitter.
As the third preferred version of the present utility model, in the described intelligent control interface circuit output VSMP that connects the output sample circuit with the input of electric coupling IC3, ground connection behind another input series resistance R17 is exported termination DO+ and DO-for two; Input termination DI+ and the DI-of photoelectrical coupler IC4, output termination half-bridge drive circuit and the ground connection of photoelectrical coupler IC4.
As the 4th kind of preferred version of the present utility model, in the described intelligent control interface circuit output VSMP and ground with relay S1 control termination output sample circuit, relay S1 switch termination DO+ and DO-; Control termination DI+ and the DI-of relay S2, the switch termination half-bridge drive circuit of relay S2 and ground.
Described diode D18 anode connects the power output end that starts protective circuit.
The inductance L 5 ' of described output sample circuit 5 and the inductance L 5 of power output circuit 4 are on same magnetic core.
Adopt technique scheme, ballasting circuit reliability height, power factor height that the utility model provides have the measuring ability to electrodeless light tube electric voltage, electric current, can export to keep the stable of power stability and light output by permanent power; Electrodeless fluorescent tube overcurrent, overvoltage, short circuit, open-circuit-protection can be provided; Can also provide Based Intelligent Control interface, open circuit to start protection, broken lamp startup protection.
Description of drawings
Further specify the technical solution of the utility model below in conjunction with drawings and Examples.
Fig. 1 is a schematic block circuit diagram of the present utility model;
Fig. 2 is a circuit theory of the present utility model;
Fig. 3 is the circuit diagram of second kind of scheme of intelligent control interface circuit of the present utility model;
Fig. 4 is the circuit diagram of the third scheme of intelligent control interface circuit of the present utility model;
Fig. 5 is the circuit diagram of the 4th kind of scheme of intelligent control interface circuit of the present utility model;
Embodiment
With reference to Fig. 1, Fig. 2; a kind of electroless lamp ballasting circuit that the Based Intelligent Control interface is arranged comprises filter rectifier 1, circuit of power factor correction 2, half-bridge drive circuit 3, power output circuit 4, output sample circuit 5, intelligent control interface circuit 6, starts protective circuit 8.
The input power supply send circuit of power factor correction 2 to obtain the direct current of voltage regulation that boosts after filter rectifier 1 rectification, and this direct current produces the bright electrodeless fluorescent tube 7 of operating voltage electricity of high-frequency and high-voltage through the power output circuit 4 by half-bridge drive circuit 3 controls.
Half-bridge drive circuit 3 obtains to enter electrodeless lamp start-up routine automatically behind the power supply; driving power output circuit 4 carries out electrodeless lamp fluorescent tube 7 starters; the output signal that transmits according to output sample circuit 5 after the starter success is dynamically exported to regulate and is kept electrodeless lamp fluorescent tube 7 to work under certain power, and the protection of taking to stop to export according to various abnormal conditions is at any time moved.
The output of intelligent control interface circuit 6 and half-bridge drive circuit 3, output sample circuit 5 is connected, cuts off/recovers half-bridge drive circuit 3 power supply supplies according to the DI signal of importing and move and close/light electrodeless fluorescent tube 7.
Starting protective circuit 8 links to each other with the dc output end of circuit of power factor correction 2, the current detecting end of power output circuit 4, electrodeless lamp fluorescent tube 7, the output of output sample circuit 5, the power end of half-bridge drive circuit 3; whether whether it detect electrodeless fluorescent tube 7 and exist and break; if electrodeless fluorescent tube does not exist or exists but breaks; the power supply that then in time cuts off half-bridge drive circuit 3 is with the protection ballasting circuit, if all are normally then to half-bridge drive circuit 3 normal power supplies.
Describe a kind of circuit structure below in detail with intelligence interface electroless lamp ballasting circuit:
1, filter rectifier 1.Comprise filter circuit that capacitor C 1 to C8, inductance L 1, L2, L3 are formed and bridge rectifier B1 etc.Ac input circuit links to each other with filter circuit, and its effect is the electromagnetic interference that suppresses on the electrical network, suppresses the electromagnetic interference that ballasting circuit itself produces simultaneously, with the protection electrical network.Bridge rectifier B1 carries out obtaining to keep after the rectification direct current supply of subsequent conditioning circuit work to interchange.Excessive for fear of the cold start-up electric current in addition, the NT thermistor is series at power input.For fear of the overcurrent damaged line, also protective tube is arranged at the power input string.
2, circuit of power factor correction 2.Comprise a power factor controlling integrated circuit (IC) 2 and peripheral cell thereof.DCBUS provides constant DC voltage at output.
3, half-bridge drive circuit 3.Comprise half-bridge driven integrated circuit (IC) 1 and peripheral cell thereof etc.
4, power output circuit 4.The operating voltage that produces high-frequency and high-voltage under the driving of half-bridge drive circuit 3 is lighted electrodeless lamp fluorescent tube 7.But comprise metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q2, capacitor C 29 recovery temperature fuse TF1, inductance L 5, capacitor C 30, transformer L4 etc.The drain electrode of metal-oxide-semiconductor Q1 is connected with the output DCBUS of circuit of power factor correction 2, and the source electrode of metal-oxide-semiconductor Q1 is connected with the drain electrode of metal-oxide-semiconductor Q2, and the source electrode of metal-oxide-semiconductor Q1 meets current sampling point SMP; Be connected with the secondary end of transformer L4 after the gate series resistance R40 of metal-oxide-semiconductor Q1; The elementary end of transformer L4 is connected with half-bridge drive circuit 3; Be connected with half-bridge drive circuit 3 after the gate series resistance R42 of metal-oxide-semiconductor Q2.But be connected with output sample circuit 5 after the secondary other end series capacitance C29 recovery temperature fuse TF1 of transformer L4, inductance L 5, the capacitor C 30; C30 and electrodeless lamp fluorescent tube 7 are connected in parallel.
5, output sample circuit 5 comprises output voltage sampled inductance L5 ', output current sample resistance R34 etc.L5 ' is used to respond to output voltage waveforms for being attached to the sample coil on the L5, obtains output voltage signal.
6, intelligent control interface circuit 6, comprise four kinds of schemes.First kind of preferred version, be the output VSMP that connects the output sample circuit with the input of photoelectrical coupler IC3 in the described intelligent control interface circuit, ground connection behind another input series resistance R17 is exported termination DO+ and DO-for two, DI+ connects diode D18 negative electrode, and DI-connects direct current ground.Diode D18 anode connects the power output end that starts protective circuit (8).
Second kind of preferred version is the output VSMP that connects the output sample circuit with three base stages of taking over Q7 in the described intelligent control interface circuit, and three collector and emitters of taking over Q7 meet DO+ and DO-respectively; DI+ and DI-connect three base stages of taking over, and collector electrode links to each other with half-bridge drive circuit, grounded emitter.
The third preferred version is the output VSMP that connects the output sample circuit with the input of electric coupling IC3 in the described intelligent control interface circuit, and ground connection behind another input series resistance R17 is exported termination DO+ and DO-for two; Input termination DI+ and the DI-of photoelectrical coupler IC4, output termination half-bridge drive circuit and the ground connection of photoelectrical coupler IC4.
The 4th kind of preferred version is output VSMP and the ground with relay S1 control termination output sample circuit in the described intelligent control interface circuit, relay S1 switch termination DO+ and DO-; Control termination DI+ and the DI-of relay S2, the switch termination half-bridge drive circuit of relay S2 and ground.
7, start protective circuit 8, start protective circuit 8 and link to each other with output VSMP, the guard signal end or the power end VDD of half-bridge drive circuit 3 of the dc output end DCBUS of circuit of power factor correction 2, the current detecting end SMP of power output circuit 4, electrodeless lamp fluorescent tube 7, output sample circuit 5.Can connect to any point between the electrodeless lamp fluorescent tube 7 at output isolation capacitance C30 with being connected of electrodeless fluorescent tube 7, but such as the two ends of output choke induction L5 or the two ends of recovery temperature fuse TF1.
The principle of ballasting circuit is as follows:
After the energized, obtain working power, under the control of power factor controlling integrated circuit (IC) 2, make the power factor of whole ballasting circuit can reach more than 0.99 through circuit of power factor correction 2; The power input alternating voltage 85V～to 265V～between keep the direct voltage of output DCBUS constant when changing; Total harmonic distortion with ballasting circuit is controlled in 8% simultaneously.
Starting protective circuit 8, obtain power supply after, detect electrodeless fluorescent tube 7 and whether exist and whether break, if electrodeless fluorescent tube 7 does not exist or exists but breaks, the power supply that then in time cuts off half-bridge drive circuit 3 is to protect ballasting circuit; When capacitor C 26 chargings of half-bridge drive circuit 3 reached 11V, half-bridge driven integrated circuit (IC) 1 started, the oscillating circuit starting of oscillation, and beginning provides symmetrical square wave driving signal to power output circuit 4, and power output circuit 4 is started working.What half-bridge driven integrated circuit (IC) 1 was at first carried out is start-up course: carry out frequency scanning from high to low, low-limit frequency is by resistance R 30 and capacitor C 22 decisions; When scanning frequency progressively is reduced to a certain degree, produce high pressure at capacitor C 30 two ends, realize the starter of electrodeless fluorescent tube 7, half-bridge drive circuit 3 enters normal operating conditions subsequently.
The voltage sampling inductance L 5 ' of output sample circuit 5 is exported VSMP from the L5 induced voltage through obtaining the voltage state signal on the electrodeless fluorescent tube 7 after the rectification and being delivered to; Current sampling resistor R34 obtains the current state signal on the electrodeless fluorescent tube 7 and is delivered to half-bridge drive circuit 3, enters half-bridge driven integrated circuit (IC) 1 by resistance R 35 and resistance R 28.Half-bridge driven integrated circuit (IC) 1 is adjusted output frequency according to the output situation, and the closed-loop adjustment power output makes it constant; If the situations such as open circuit, short circuit, overcurrent, overvoltage that occur then stop to drive output automatically, enter guard mode, simultaneously up to next power supply electrifying.
The DO+ of intelligent control interface circuit 6 is initially located in vacant state, and the light tube electric voltage signal of exporting from the output VSMP that exports sample circuit 5 drives photoelectrical coupler with DO+ and DO-connection, and the state of DO+ changes; As DI+ and DI-when externally short circuit or small resistor are connected, the voltage that starts in the protective circuit 8 is forced to drag down, and half-bridge driven integrated circuit (IC) 1 loses power supply and quits work, and then power output circuit 4 quits work, and electrodeless fluorescent tube 7 extinguishes; Disconnect up to DI+ and DI-, half-bridge driven integrated circuit (IC) 1 re-powers and works together.
But the recovery temperature fuse TF1 of power output circuit 4 is connected on the outlet line, with automatic rupturing duty output, is reduced to a certain degree just recovery connection automatically up to temperature when the ballasting circuit working temperature is too high, plays the effect of overtemperature protection.
Claims (8)
1, a kind of electroless lamp ballasting circuit with Based Intelligent Control interface, comprise filter rectifier (1), circuit of power factor correction (2), half-bridge drive circuit (3), power output circuit (4), output sample circuit (5), it is characterized in that described electroless lamp ballasting circuit with Based Intelligent Control interface also comprises intelligent control interface circuit (6), intelligent control interface circuit (6) is connected with the output of half-bridge drive circuit (3), output sample circuit (5); The change of connection status is to realize by the output VSMP voltage status that changes output sample circuit (5) between intelligent control interface circuit (6) output DO+ and the DO-, and voltage status realizes between intelligent control interface circuit (6) input DI+ and the DI-by changing in the change of half-bridge drive circuit (3) voltage status.
2, the electroless lamp ballasting circuit with Based Intelligent Control interface according to claim 1, it is characterized in that described intelligent control interface circuit (6) is the output VSMP that connects output sample circuit (5) with the input of photoelectrical coupler IC3, ground connection behind another input series resistance R18 is exported termination DO+ and DO-for two; DI+ connects diode D18 negative electrode, DI-ground connection.
3, the electroless lamp ballasting circuit with Based Intelligent Control interface according to claim 1, it is characterized in that in the described intelligent control interface circuit (6) it being the output VSMP that connects output sample circuit (5) with three base stages of taking over Q7, three collector and emitters of taking over Q7 meet DO+ and DO-respectively; DI+ and DI-connect three base stages of taking over Q8, and the collector electrode of Q8 links to each other the grounded emitter of Q8 with half-bridge drive circuit (3).
4, the electroless lamp ballasting circuit with Based Intelligent Control interface according to claim 1, it is characterized in that described intelligent control interface circuit (6) is the output VSMP that connects output sample circuit (5) with the input of photoelectrical coupler IC3, ground connection behind another input series resistance R18, two outputs meet DO+ and DO-respectively; Two inputs of photoelectrical coupler IC4 meet DI+ and DI-respectively, and two outputs of photoelectrical coupler IC4 connect half-bridge drive circuit (3) and ground respectively.
5, the electroless lamp ballasting circuit with Based Intelligent Control interface according to claim 1, it is characterized in that in the described intelligent control interface circuit (6) it being output VSMP and the ground of exporting sample circuit (5) with the control termination of relay S1, relay S1 switch termination DO+ and DO-; Control termination DI+ and the DI-of relay S2, the switch termination half-bridge drive circuit (3) of relay S2 and ground.
6, the electroless lamp ballasting circuit with Based Intelligent Control interface according to claim 1; the electroless lamp ballasting circuit that it is characterized in that having the Based Intelligent Control interface also comprises and starts protective circuit (8), starts current detecting end, the electrodeless lamp fluorescent tube (7) of dc output end, the power output circuit (4) of protective circuit (8) and circuit of power factor correction (2), output, the half-bridge drive circuit (3) of exporting sample circuit (5) links to each other.
7, the electroless lamp ballasting circuit with Based Intelligent Control interface according to claim 2 is characterized in that the diode D18 anode of intelligent control interface circuit (6) connects the power output end that starts protective circuit (8).
8, the electroless lamp ballasting circuit that the Based Intelligent Control interface is arranged according to claim 1, the inductance L 5 that it is characterized in that exporting the inductance L 5 ' of sample circuit (5) and power output circuit (4) is on same magnetic core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820215748U CN201393337Y (en) | 2008-11-27 | 2008-11-27 | Electrodeless lamp ballast circuit with intelligent control interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820215748U CN201393337Y (en) | 2008-11-27 | 2008-11-27 | Electrodeless lamp ballast circuit with intelligent control interface |
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| CN201393337Y true CN201393337Y (en) | 2010-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200820215748U Expired - Fee Related CN201393337Y (en) | 2008-11-27 | 2008-11-27 | Electrodeless lamp ballast circuit with intelligent control interface |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101820714A (en) * | 2010-04-22 | 2010-09-01 | 上海电机学院 | Start protection and intelligent control interface circuit for low frequency electrodeless lamp |
| CN102088814A (en) * | 2010-12-02 | 2011-06-08 | 山东柏斯莱特照明电器有限公司 | Low-frequency electrodeless lamp drive circuit with open-circuit protection function |
| CN102300377A (en) * | 2011-06-23 | 2011-12-28 | 南通诺普照明电器有限公司 | Timing power output reduction ballast of auto-excitation-type low-frequency ball bulb electrodeless lamp |
| CN108712812A (en) * | 2018-06-04 | 2018-10-26 | 江阴万佳照明电器有限公司 | A kind of electrodeless lamp power supply driving circuit and control method |
-
2008
- 2008-11-27 CN CN200820215748U patent/CN201393337Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101820714A (en) * | 2010-04-22 | 2010-09-01 | 上海电机学院 | Start protection and intelligent control interface circuit for low frequency electrodeless lamp |
| CN101820714B (en) * | 2010-04-22 | 2012-10-17 | 上海电机学院 | Start protection and intelligent control interface circuit for low frequency electrodeless lamp |
| CN102088814A (en) * | 2010-12-02 | 2011-06-08 | 山东柏斯莱特照明电器有限公司 | Low-frequency electrodeless lamp drive circuit with open-circuit protection function |
| CN102300377A (en) * | 2011-06-23 | 2011-12-28 | 南通诺普照明电器有限公司 | Timing power output reduction ballast of auto-excitation-type low-frequency ball bulb electrodeless lamp |
| CN108712812A (en) * | 2018-06-04 | 2018-10-26 | 江阴万佳照明电器有限公司 | A kind of electrodeless lamp power supply driving circuit and control method |
| CN108712812B (en) * | 2018-06-04 | 2024-02-06 | 江阴万佳照明电器有限公司 | Electrodeless lamp power supply driving circuit and control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20141127 |
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| EXPY | Termination of patent right or utility model |